Nielsen, the company that determines whether or not your beloved television shows even matter, has been perching dangerously on the verge of irrelevancy for years—but all that's about to change. After sitting idly by as internet viewership skyrocketed, Nielsen has finally decided to start taking note of the unhealthy…

Not content with focus groups and analyzing market trends, research firm Nielson and California-based NeuroFocus have launched a service in Japan that scans the brain waves of potential customers to help companies improve marketing. Their service basically measures how much ads actually grab the attention and tug at…